Private contractors are a part of this war in unprecedented numbers, but we don't know that much about the people doing these jobs — why they chose to come to Iraq, and what they're seeing that we can't.

The Green Zone is where the Coalition Provisional Authority has set up its headquarters, and the former seat of Saddam Hussein's government. Nancy ends up at a hidden restaurant by a helipad, with workers for Fluor Corporation, who have just arrived in Iraq to fix power plants. (5 minutes) Business • Iraq